| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] so low that [art] [noun sg] | 6 |
|
| 2 | be so low that [art] [noun sg] | 6 |
|
| 3 | so low that [art] [noun sg] [prep] | 5 |
|
| 4 | so low that [art] [noun sg] [prep] | 5 |
|
